Monthly Archives: April 2014

Annotation basics in Java

Posted on April 25, 2014 by Robert Piasecki

Annotations are a kind of metadata attached to various parts of the source code in Java. Although they do not directly affect how the code works, they are processed and used by different tools to provide additional functionality or services … Continue reading →

Posted in Java | Tagged | 1 Comment

Facelets ui:repeat tag

Posted on April 18, 2014 by Robert Piasecki

Facelets ui:repeat tag can be used as a substitute of h:dataTable tag from JSF HTML library or c:forEach tag from JSTL core library. While using h:dataTable tag is still the preferred method to create tables, ui:repeat tag gives developer more … Continue reading →

Posted in Java, Java EE, JSF | Tagged , , , | Leave a comment

Data tables in JSF

Posted on April 14, 2014 by Robert Piasecki

Data table is one of the most advanced UI components provided by JSF. This component is used to represent data in a table form and can contain multiple rows and columns and optionally header, footer and caption. In this post … Continue reading →

Posted in Java, Java EE, JSF | Tagged , , , , | 4 Comments

Parameterized unit tests in JUnit

Posted on April 11, 2014 by Robert Piasecki

Sometimes you may want to execute a series of tests which differ only by input values and expected results. Instead of writing each test separately, it is much better to abstract the actual tests into a single class and provide … Continue reading →

Posted in Java, Software development practices | Tagged , , | 2 Comments

Evaluating postfix expressions

Posted on April 3, 2014 by Robert Piasecki

The standard notation used to represent mathematical expressions is called infix notation. You should be very familiar with it already because it is almost exclusively used in books and thought in schools. Just to be clear, the typical example of … Continue reading →

Posted in Algorithms, Java | Tagged , | 3 Comments